Question

How do i solve systems of equations using the substitution method?

Answer 1

http://www.mathplanet.com/education/algebra-1/systems-of-linear-equations-and-inequalities/the-substitution-method-for-solving-linear-systems

Answer 2

choose 1 equation and rearrange to express what i variable =
use this expression in the second equation to replace the 1 variable
you should now have i equation with the second variable
solve for this variable
with this value in the original equation you will have the value of variable 1
if you need more help choose a specific question and i will go through the steps with you